The smaller size of American cars, the use of unleaded gasoline, and the lower gas consumption of new cars are all due in large part to

The smaller size of American cars, the use of unleaded gasoline, and the lower gas consumption of new cars are all due in large part to

The smaller size of American cars, the use of unleaded gasoline, and the lower gas consumption of new cars are all due in large part to









A) self-regulation of the automobile industry.

B) Supreme Court rulings.

C) Department of Transportation regulations.

D) consumer demands.

E) the dramatic increases of Middle Eastern oil prices in the 1970s.














Answer: C